There are two columns in the new table(table1 join table2) which have the same column name, how to get the values of both respectively

Question

select * from table1 join table2 on table1.column3=table2.column4 where ...
...
$row=mysql_fetch_assoc($result);

However, there are two columns in the

Answer 1

Call the columsn out specifically with an alias like

SELECT table_1.id as table_1_id, table_2.id as table_2_id

Youll have to list out all or most of the columns form at least one of the tables this way but you can get access to cols with the same name across multiple tables.